iSub Driver

Hello,
I would like to know if it is possible for me to create my own driver for my 5 year old iSub. The makers don't make drivers for this, since the drivers are usually incorporated into the OS. You see, the iSub doesnt work with the Intel Macs because apple has apparently stopped including the dirver in the OS. I'm hoping that they'll fix this when Leopard comes out, but for now, how would i be able to make my own driver??
Note that I'm a total newb when it comes to programming.... But i can learn fast!
Thnx.

yeah, it works on PPC's but not on Intel-based Macs.
I'm not desperately longing for using my iSub, I just wish i could have some better quality sound from time-to-time.
i wont risk typing unknown commands into terminal, its ok. thnx anyway

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